An Improved Genetic Algorithm for Solving Tri-level Programming Problems

Kai Su, Zhili Lei, H. Niu
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Abstract

When genetic algorithm is adopted to solve tri-level programming, many problems exist, such as controlling population size, jumping out of local optima, and avoiding low efficiency. An improved genetic algorithm with parallel strategy is proposed in this paper to solve tri-level programming, as well as elites reserving and fitness value crowding strategy. Simulations with numerical examples are done to prove correctness and effectiveness of the proposed algorithm.
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求解三层规划问题的改进遗传算法
采用遗传算法求解三层规划时,存在着控制种群规模、跳出局部最优、避免效率低下等问题。本文提出了一种改进的并行遗传算法来解决三层规划问题,以及精英保留和适应度值拥挤策略。通过数值算例仿真验证了算法的正确性和有效性。
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